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Power Management: add XTAL power domain to control whether external 40MHz xtal is powered down during sleep

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This commit is contained in:
Li Shuai
2021-09-06 14:17:43 +08:00
parent 4f4254537c
commit aac59ed5ec
6 changed files with 17 additions and 9 deletions
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13
components/esp_system/sleep_modes.c
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@@ -1320,9 +1320,9 @@ static uint32_t get_power_down_flags(void)
}
#endif
if (s_config.pd_options[ESP_PD_DOMAIN_XTAL] == ESP_PD_OPTION_AUTO) {
s_config.pd_options[ESP_PD_DOMAIN_XTAL] = ESP_PD_OPTION_OFF;
}
#ifdef CONFIG_IDF_TARGET_ESP32
s_config.pd_options[ESP_PD_DOMAIN_XTAL] = ESP_PD_OPTION_OFF;
#endif
const char *option_str[] = {"OFF", "ON", "AUTO(OFF)" /* Auto works as OFF */};
ESP_LOGD(TAG, "RTC_PERIPH: %s", option_str[s_config.pd_options[ESP_PD_DOMAIN_RTC_PERIPH]]);
@@ -1353,10 +1353,9 @@ static uint32_t get_power_down_flags(void)
if (s_config.pd_options[ESP_PD_DOMAIN_RTC8M] != ESP_PD_OPTION_ON) {
pd_flags |= RTC_SLEEP_PD_INT_8M;
}
#ifdef CONFIG_IDF_TARGET_ESP32
pd_flags |= RTC_SLEEP_PD_XTAL;
#endif
if (s_config.pd_options[ESP_PD_DOMAIN_XTAL] != ESP_PD_OPTION_ON) {
pd_flags |= RTC_SLEEP_PD_XTAL;
}
/**
* VDD_SDIO power domain shall be kept on during the light sleep